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package dnstapio
import (
"bytes"
"testing"
tap "github.com/dnstap/golang-dnstap"
fs "github.com/farsightsec/golang-framestream"
"github.com/golang/protobuf/proto"
)
func dnstapMsg() *tap.Dnstap {
t := tap.Dnstap_MESSAGE
mt := tap.Message_CLIENT_RESPONSE
msg := &tap.Message{Type: &mt}
return &tap.Dnstap{Type: &t, Message: msg}
}
func TestEncoderCompatibility(t *testing.T) {
opts := &fs.EncoderOptions{
ContentType: []byte("protobuf:dnstap.DnstapTest"),
Bidirectional: false,
}
msg := dnstapMsg()
//framestream encoder
fsW := new(bytes.Buffer)
fsEnc, err := fs.NewEncoder(fsW, opts)
if err != nil {
t.Fatal(err)
}
data, err := proto.Marshal(msg)
if err != nil {
t.Fatal(err)
}
fsEnc.Write(data)
fsEnc.Close()
//dnstap encoder
dnstapW := new(bytes.Buffer)
dnstapEnc := newDnstapEncoder(opts)
if err := dnstapEnc.resetWriter(dnstapW); err != nil {
t.Fatal(err)
}
dnstapEnc.writeMsg(msg)
dnstapEnc.flushBuffer()
dnstapEnc.close()
//compare results
if !bytes.Equal(fsW.Bytes(), dnstapW.Bytes()) {
t.Fatal("dnstapEncoder is not compatible with framestream Encoder")
}
}
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